New edition, completely updated for IOS 12. The best-selling, easiest, step-by-step, most comprehensive guide to securing your home or business iPhones and iPads. Official workbook for the Practical Paranoia: Security...

Create a fully featured application that’s both sophisticated and engaging. This book provides a detailed guide in developing augmented reality games that can take advantage of the advanced capabilities of...

In iOS and macOS™ Performance Tuning, Marcel Weiher drills down to the code level to help you systematically optimize CPU, memory, I/O, graphics, and program responsiveness in any Objective-C, Cocoa,...